После добавления в обязательный атрибут моя кнопка отправки не имеет никакого ответа.Если после нажатия кнопки отправки текстовое поле пустое, проверка выполняется, но кнопка ничего не делает и не имеет никакого ответа.Кнопка отправки работает нормально только после того, как требуемый атрибут удален.Ниже показана моя HTML-форма:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Manage store</title>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link rel="stylesheet" href="http://cdn.datatables.net/1.10.2/css/jquery.dataTables.min.css">
<script type="text/javascript" src="http://cdn.datatables.net/1.10.2/js/jquery.dataTables.min.js"></script>
<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto|Varela+Round">
<link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
<link rel="stylesheet" type="text/css" href="css/form.css" />
</head>
<body>
<form method="post" action="store.php" enctype="multipart/form-data">
<div id="addStoreModal" class="modal fade">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title">Add Stores</h4>
</div>
<div class="modal-body">
<div class="form-group">
<label>Store location</label>
<input type="text" name="storeloc" id="storeloc" class="form-control" required/>
</div>
<div class="form-group">
<label class="control-label">Status</label>
<select class="form-control" name="status">
<option value="Active">Active</option>
<option value="Inactive">Inactive</option>
</select>
</div>
</div>
<div class="modal-footer">
<input type="button" class="btn btn-default" data-dismiss="modal" value="Cancel">
<button type="submit" name="addStore" class="btn btn-primary">Add</button>
</div>
</div>
</div>
</div>
<div id="deleteStoreModal" class="modal fade">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title">Delete Employee</h4>
</div>
<div class="modal-body">
<p>Are you sure you want to delete these Records?</p>
<p class="text-warning"><small>This action cannot be undone.</small></p>
</div>
<div class="modal-footer">
<input type="button" class="btn btn-default" data-dismiss="modal" value="Cancel">
<input type="submit" name="deleteStore" class="btn btn-danger" value="Delete">
</div>
</div>
</div>
</div>
<div id="editStoreModal" class="modal fade">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title">Edit Stores</h4>
</div>
<div class="modal-body">
<div class="form-group">
<label>Store location</label>
<input type="text" name="editstoreloc" class="form-control"/>
</div>
<div class="form-group">
<label class="control-label">Status</label>
<select class="form-control" name="editstatus">
<option value="Active">Active</option>
<option value="Inactive">Inactive</option>
</select>
</div>
</div>
<div class="modal-footer">
<input type="button" class="btn btn-default" data-dismiss="modal" value="Cancel">
<button type="submit" name="editStore" class="btn btn-primary">Edit</button>
</div>
</div>
</div>
</div>
<div id="storeExistModal" class="modal fade">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title">Store exist</h4>
</div>
<div class="modal-footer">
<button type="submit" name="existStore" class="btn btn-primary">Ok</button>
</div>
</div>
</div>
</div>
</div>
</form>
</body>
</html>